19. The first step is to remove plastic and metal caps. Then the glass is crushed, weighed out, and then color is added.
20. Glass is melted overnight at 2,400 degrees, then molten glass is poured into moulds, which presses the glass into the various shapes.
21. After the piece cools to 1000 degrees, torch work is done. Then the piece is put into insulated boxes where it anneals. This process lowers the temperature very slowly from 900 degrees to room temperature, so the glass does not crack.